The read-only IsConnected property is used to determine if
the control has connected to the server. A value of true
indicates that the connection has been established.
Note that the IsConnected property should not be used to
determine if an active dial-up networking connection has been
established by another application. The property will only return
True if the control has been used to establish the connection itself,
or if a connection is inherited by setting either the
AutoConnect or Handle properties. To determine if there
are any active dial-up networking connections, check the value of the
Connections property.